Gliomatosis cerebri classification: Difference between revisions
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==Overview== | ==Overview== | ||
Gliomatosis cerebri may be classified into several subtypes based on the origin (primary and secondary) and the type of tumor cell ([[astrocyte|astrocytic]], [[oligodendrocyte|oligodendroglial]], and mixed). | |||
==Classification== | ==Classification== | ||
=== Based on the origin === | |||
Gliomatosis cerebri may be classified based on the origin into two subtypes:<ref name="aaa">Classification of gliomatosis cerebri. Dr Henry Knipe and Dr Frank Gaillard et al. Radiopaedia 2015. http://radiopaedia.org/articles/gliomatosis-cerebri</ref><ref name="pmid21339680">{{cite journal| author=Brandão RA, de Carvalho GT, de Azeredo Coutinho CA, Christo PP, Santiago CF, Santos Mdo C et al.| title=Gliomatosis cerebri: diagnostic considerations in three cases. | journal=Neurol India | year= 2011 | volume= 59 | issue= 1 | pages= 122-5 | pmid=21339680 | doi=10.4103/0028-3886.76892 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21339680 }} </ref><ref name="pmid19353837">{{cite journal| author=Park S, Suh YL, Nam DH, Kim ST| title=Gliomatosis cerebri: clinicopathologic study of 33 cases and comparison of mass forming and diffuse types. | journal=Clin Neuropathol | year= 2009 | volume= 28 | issue= 2 | pages= 73-82 | pmid=19353837 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19353837 }} </ref><ref name="pmid15277619">{{cite journal| author=Sanson M, Cartalat-Carel S, Taillibert S, Napolitano M, Djafari L, Cougnard J et al.| title=Initial chemotherapy in gliomatosis cerebri. | journal=Neurology | year= 2004 | volume= 63 | issue= 2 | pages= 270-5 | pmid=15277619 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15277619 }} </ref> | |||
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! style="background: #4479BA; width: 200px;" | {{fontcolor|#FFF|Type of gliomatosis cerebri}} | |||
! style="background: #4479BA; width: 400px;" | {{fontcolor|#FFF|Characteristic features}} | |||
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Type 1 (Primary) | |||
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*No pre-existing primary cerebral neoplastic lesion (''de novo'') | |||
*No discrete mass | |||
*Diffuse spread of tumor | |||
*More common | |||
*Median age at diagnosis is 56 years | |||
*Mean survival time was longer than type 2 (24 months) | |||
*Predominantly low-grade | |||
|- | |||
! style="padding: 5px 5px; background: #DCDCDC;font-weight: bold" | | |||
Type 2 (Secondary) | |||
| style="padding: 5px 5px; background: #F5F5F5;" | | |||
*Results from a pre-existing cerebral glioma | |||
*Discrete mass with diffuse [[CNS]] involvement | |||
*Less common | |||
*Median age at diagnosis is 44 years | |||
*Mean survival time was shorter than type 1 (21 months) | |||
*Predominantly high-grade | |||
*''IDH1'' mutation is more common | |||
|} | |||
===Based on the type of tumor cell=== | |||
Gliomatosis cerebri may be classified based on the predominant tumor cell type into three sub-types:<ref name="pmid15277619">{{cite journal| author=Sanson M, Cartalat-Carel S, Taillibert S, Napolitano M, Djafari L, Cougnard J et al.| title=Initial chemotherapy in gliomatosis cerebri. | journal=Neurology | year= 2004 | volume= 63 | issue= 2 | pages= 270-5 | pmid=15277619 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15277619 }} </ref> | |||
*[[astrocyte|Astrocytic]] - it is considered a distinct entity of astrocytic glioma as per the latest WHO classification for CNS tumors.<ref>{{Cite web|url=https://www.ncbi.nlm.nih.gov/pubmed/26493382|title=Gliomatosis cerebri: no evidence for a separate brain tumor entity|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}}</ref> | |||
*[[oligodendrocyte|Oligodendroglial]] - very few cases of isolated oligodendroglial GC has been reported. No difference in the signs and symptoms are noted.<ref>{{Cite web|url=https://www.ncbi.nlm.nih.gov/pubmed/1592395|title=Oligodendroglial gliomatosis cerebri|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}}</ref> | |||
*Mixed - more common than isolated oligodendroglial GC. | |||
==References== | ==References== | ||
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Latest revision as of 16:17, 7 October 2019
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Gliomatosis cerebri Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Gliomatosis cerebri classification On the Web |
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American Roentgen Ray Society Images of Gliomatosis cerebri classification |
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Risk calculators and risk factors for Gliomatosis cerebri classification |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Sujit Routray, M.D. [2]
Overview
Gliomatosis cerebri may be classified into several subtypes based on the origin (primary and secondary) and the type of tumor cell (astrocytic, oligodendroglial, and mixed).
Classification
Based on the origin
Gliomatosis cerebri may be classified based on the origin into two subtypes:[1][2][3][4]
| Type of gliomatosis cerebri | Characteristic features |
|---|---|
|
Type 1 (Primary) |
|
|
Type 2 (Secondary) |
|
Based on the type of tumor cell
Gliomatosis cerebri may be classified based on the predominant tumor cell type into three sub-types:[4]
- Astrocytic - it is considered a distinct entity of astrocytic glioma as per the latest WHO classification for CNS tumors.[5]
- Oligodendroglial - very few cases of isolated oligodendroglial GC has been reported. No difference in the signs and symptoms are noted.[6]
- Mixed - more common than isolated oligodendroglial GC.
References
- ↑ Classification of gliomatosis cerebri. Dr Henry Knipe and Dr Frank Gaillard et al. Radiopaedia 2015. http://radiopaedia.org/articles/gliomatosis-cerebri
- ↑ Brandão RA, de Carvalho GT, de Azeredo Coutinho CA, Christo PP, Santiago CF, Santos Mdo C; et al. (2011). "Gliomatosis cerebri: diagnostic considerations in three cases". Neurol India. 59 (1): 122–5. doi:10.4103/0028-3886.76892. PMID 21339680.
- ↑ Park S, Suh YL, Nam DH, Kim ST (2009). "Gliomatosis cerebri: clinicopathologic study of 33 cases and comparison of mass forming and diffuse types". Clin Neuropathol. 28 (2): 73–82. PMID 19353837.
- ↑ 4.0 4.1 Sanson M, Cartalat-Carel S, Taillibert S, Napolitano M, Djafari L, Cougnard J; et al. (2004). "Initial chemotherapy in gliomatosis cerebri". Neurology. 63 (2): 270–5. PMID 15277619.
- ↑ "Gliomatosis cerebri: no evidence for a separate brain tumor entity".
- ↑ "Oligodendroglial gliomatosis cerebri".